Ancient superpredator that lived 328 million years ago was 'the T. rex of its time'

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Fangy Whatcheeria measured up to 6.5 feet (2 meters) long, and more than 300 million years ago, it was the apex predator in the sinkholes-turned-lakes of the American Midwest.

Ancient superpredator that lived 328 million years ago was 'the T. rex of its time' : Read more